diff --git a/Backend/Controllers/VariableController.cs b/Backend/Controllers/VariableController.cs
index a79ecbf..7943488 100644
--- a/Backend/Controllers/VariableController.cs
+++ b/Backend/Controllers/VariableController.cs
@@ -242,6 +242,10 @@ namespace Backend.Controllers
             return apiResult;
         }
 
+        /// <summary>
+        /// 獲取專案名稱(東別)
+        /// </summary>
+        /// <returns></returns>
         [HttpPost]
         public async Task<ApiResult<Variable>> ProjectName()
         {
diff --git a/FrontendWebApi/ApiControllers/BuildController.cs b/FrontendWebApi/ApiControllers/BuildController.cs
index 15b59d9..3cf3c6b 100644
--- a/FrontendWebApi/ApiControllers/BuildController.cs
+++ b/FrontendWebApi/ApiControllers/BuildController.cs
@@ -207,7 +207,7 @@ namespace FrontendWebApi.ApiControllers
                     where SUBSTRING(ap.AuthCode,1,1) = 'C' and ui.account = '{account}'
                 ");
 
-                var building = buildmenusql.GroupBy(a => a.main_system_tag).ToList();
+                var building = buildmenusql.GroupBy(a => a.building_tag).ToList();
 
                 List<Building> buildingMenus = new List<Building>();
                 foreach (var menu in building)